45815843 has 2 divisors, whose sum is σ = 45815844. Its totient is φ = 45815842.

The previous prime is 45815837. The next prime is 45815857. The reversal of 45815843 is 34851854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45815843 - 2⁴ = 45815827 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45815797 and 45815806.

It is not a weakly prime, because it can be changed into another prime (45815243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22907921 + 22907922.

It is an arithmetic number, because the mean of its divisors is an integer number (22907922).

Almost surely, 2^45815843 is an apocalyptic number.

45815843 is a deficient number, since it is larger than the sum of its proper divisors (1).

45815843 is an equidigital number, since it uses as much as digits as its factorization.

45815843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 38.

The square root of 45815843 is about 6768.7401338802. The cubic root of 45815843 is about 357.8260002521.

The spelling of 45815843 in words is "forty-five million, eight hundred fifteen thousand, eight hundred forty-three".